Asterisk RTP/audio not working in either direction in Docker NAT with a NAT client
Normally the first thing you would think is that you should use the host network in Docker but this loses the isolation, in that case I'd rather use LXC and a public IP or a full VM with public IP to avoid these issues.
Before you Start
I assume you have also ruled out any firewall issues on either end, that RTP or SIP signaling is not being blocked by either side.
1.) Key Settings in Docker/Ports
Before starting, I assume you have forwarded........
docker / kubernetes breaks Proxmox QEMU KVM Bridge VMs
Docker adds iptables rules that break a lot of things including MASQUERADE or anything that needs the FORWARD table. If NAT is not working after Docker installation, it is probably because it set the iptables FORWARD policy to DROP.
This may also make you think that your br0 or bridge is not working, but it's likely just due to what we'll mention later on below, that, Docker probably set your FORWARD chain to default DROP all packets, so nothing on your bridge ever makes it out........
Docker Tutorial HowTo Install Docker, Use and Create Docker Container Images Clustering Swarm Mode Monitoring Service Hosting Provider
The Best Docker Tutorial for Beginners
We quickly explain the basic Docker concepts and show you how to do the most common tasks from starting your first container, to making custom images, a Docker Swarm Cluster Tutorial, docker compose and Docker buildfiles.........
Cisco Unified Communications Manager / CUCM IP 8.6,10,12 Install Error Solution
Install Errors on Version 12:
This error happened on QEMU emulator version 2.11.1 pve-qemu-kvm_2.11.1-5
on Proxmox/Debian but installing on QEMU.12 on Centos 6 did not produce the error.
*Update it is not related to the OS or QEMU version. This happened in Centos 6 too after a second install.
What really causes this even though you successfully install........